Dopamine Is Not Why Kids Love TikTok
While this trend involves many factors, perhaps the single most important claim that has transformed what might be devoted or enthusiastic behavior into a presumed medical case of addiction is the presence of the neurotransmitter dopamine.
Health experts and the popular press tell us that fun activities can give us 'dopamine hits' and that overindulging can result in 'dopamine blowout.' Indulging too much in naughty activities (somehow, it's always naughty activities) may create a 'dopamine deficit.'
To cite a few of many examples: A Washington Post podcast declared that 'dopamine surges' explain why 'you can't stop scrolling, even though you know you should.' The Guardian reported that Silicon Valley is 'keen to exploit the brain chemical' to keep us hooked on tech. Earlier this month, CNN told readers, 'an addiction expert says it might be time for a 'dopamine fast.''
There's a problem with this scientific-sounding explanation for an alleged explosion in addictive behaviors: It is not supported by science. Solid research connecting dopamine spikes to drugs and alcohol – that is, the capacity of one chemical to ignite another – has not been shown to occur in similar ways with other behaviors. Drug use is fundamentally and physiologically different from behaviors that do not rely on pharmaceutical effects. This has been confirmed in humans: Technology, such as video games or social media, simply doesn't influence dopamine receptors the way illicit substances do.
Experts say what we are seeing instead is pseudoscience that appears to legitimize a moral panic about behaviors that trouble certain segments of society. By falling for this pseudoscience, parents and others are at risk of missing more fundamental mental health issues that could be at the root of the obsessive behavior, potentially harming the very children they seek to help.
'Addiction is an important clinical term with a troubled and weighty history,' said Dean Burnett, a neuroscientist and coauthor of a brief explainer of what dopamine does and doesn't do. 'People enduring genuine addiction struggle to be taken seriously or viewed sympathetically at the best of times, so to apply their very serious condition to much more benign actions like scrolling TikTok makes this worse.'
Burnett likens current narratives about dopamine and technology to 'science garnish,' effectively adding a dash of scientific language to nonsense beliefs. 'It's the informational equivalent of sprinkling parsley on a lasagna that's 90 percent horse offal,' he said. 'It may look nicer, but it isn't.'
The pseudoscience, however, does play a useful role for parents and others who seek to restrict the behaviors they find disturbing. After all, 'Don't do X because it will dangerously rewire the reward circuits of your brain and cause addiction' is more compelling than 'Don't do X because I don't like it and think you are wasting your time.'
Growing Mistrust of Experts
At a time when science has been riven by a series of scandals involving unreliable and falsified research at universities, including Stanford and Harvard, the public is having a harder time distinguishing scientific truth from pseudoscience. As growing numbers of Americans question the veracity of many well-established findings, such as the safety of vaccines, the popularity of the dopamine myth amounts to another misreading of science to serve other purposes in a culture desperate for simplistic moral answers.
Such answers can be found in bookshelves full of titles like 'Dopamine Detox' and 'Dopamine Reset.' These experts warn us that activities we think make us happy are actually making us unhappy in the long term because we're doing dopamine wrong. Advice sites are quite explicit about this: 'You can get dopamine either from rich sources like meditating, exercising, or doing something that is meaningful to you and that serves you in the long run. Or you can get dopamine from self-sabotaging activities like eating junk food, scrolling social media mindlessly, or anything that provides pleasure instantly or in the short term. The choice is yours.' At the extreme, people may go on 'dopamine detoxes,' avoiding fun activities for some length of time in hopes of resetting their dopamine.
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Also read: Social Media Especially Harms Girls' Sleep & Mental Health
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Dopamine Is Not Why Kids Love TikTok
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